.layui-container-box {
    width: 100%;
    margin: 0 auto;
    border:1px solid #E6E6E6;
    margin: 50px auto 0;
    position: relative;
}
.layui-form {
    position: relative;
}
.layui-container-form-box {
    width: 500px;
    height: 500px;
    margin: 50px auto 0;
    position: relative;
    border: 1px solid #E6E6E6;
}
fieldset {
    height: 30px;
    line-height: 50px;
    border: 1px solid #E6E6E6;
}
legend {
    /*margin-bottom: 20px;*/
    position: absolute;
    left: 50%;
    transform: translate(-50%,0);
}
.layui-input-block input {
    width: 300px;
}
.layui-form-item .layui-btn {
    margin-left: 150px;
    width: 200px;
}
.layui-input-block select {
    width: 500px;
}
.layui-form-select dl {
    min-width: 81.3%;
}
.layui-form-select .layui-edge {
    right: 80px;
}